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Last commit 20 Feb 2019 by mbed official

targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/TARGET_KPSDK_CODE/hal/dmamux/fsl_dmamux_hal.h@149:1fb5f62b92bd, 2014-04-03 (annotated)

Committer:
mbed_official
Date:
Thu Apr 03 11:45:06 2014 +0100
Revision:
149:1fb5f62b92bd
Parent:
targets/hal/TARGET_Freescale/TARGET_KSDK_MCUS/TARGET_KSDK_CODE/hal/dmamux/fsl_dmamux_hal.h@146:f64d43ff0c18
Child:
324:406fd2029f23
Synchronized with git revision 220c0bb39ceee40016e1e86350c058963d01ed42



Full URL: https://github.com/mbedmicro/mbed/commit/220c0bb39ceee40016e1e86350c058963d01ed42/

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 146:f64d43ff0c18 1 /*
mbed_official 146:f64d43ff0c18 2 * Copyright (c) 2013 - 2014, Freescale Semiconductor, Inc.
mbed_official 146:f64d43ff0c18 3 * All rights reserved.
mbed_official 146:f64d43ff0c18 4 *
mbed_official 146:f64d43ff0c18 5 * Redistribution and use in source and binary forms, with or without modification,
mbed_official 146:f64d43ff0c18 6 * are permitted provided that the following conditions are met:
mbed_official 146:f64d43ff0c18 7 *
mbed_official 146:f64d43ff0c18 8 * o Redistributions of source code must retain the above copyright notice, this list
mbed_official 146:f64d43ff0c18 9 * of conditions and the following disclaimer.
mbed_official 146:f64d43ff0c18 10 *
mbed_official 146:f64d43ff0c18 11 * o Redistributions in binary form must reproduce the above copyright notice, this
mbed_official 146:f64d43ff0c18 12 * list of conditions and the following disclaimer in the documentation and/or
mbed_official 146:f64d43ff0c18 13 * other materials provided with the distribution.
mbed_official 146:f64d43ff0c18 14 *
mbed_official 146:f64d43ff0c18 15 * o Neither the name of Freescale Semiconductor, Inc. nor the names of its
mbed_official 146:f64d43ff0c18 16 * contributors may be used to endorse or promote products derived from this
mbed_official 146:f64d43ff0c18 17 * software without specific prior written permission.
mbed_official 146:f64d43ff0c18 18 *
mbed_official 146:f64d43ff0c18 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
mbed_official 146:f64d43ff0c18 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
mbed_official 146:f64d43ff0c18 21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 146:f64d43ff0c18 22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
mbed_official 146:f64d43ff0c18 23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
mbed_official 146:f64d43ff0c18 24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
mbed_official 146:f64d43ff0c18 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
mbed_official 146:f64d43ff0c18 26 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
mbed_official 146:f64d43ff0c18 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
mbed_official 146:f64d43ff0c18 28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 146:f64d43ff0c18 29 */
mbed_official 146:f64d43ff0c18 30 #ifndef __FSL_DMAMUX_HAL_H__
mbed_official 146:f64d43ff0c18 31 #define __FSL_DMAMUX_HAL_H__
mbed_official 146:f64d43ff0c18 32
mbed_official 146:f64d43ff0c18 33 #include <stdint.h>
mbed_official 146:f64d43ff0c18 34 #include <stdbool.h>
mbed_official 146:f64d43ff0c18 35 #include <assert.h>
mbed_official 146:f64d43ff0c18 36 #include "fsl_dmamux_features.h"
mbed_official 146:f64d43ff0c18 37 #include "fsl_device_registers.h"
mbed_official 146:f64d43ff0c18 38
mbed_official 146:f64d43ff0c18 39 /*!
mbed_official 146:f64d43ff0c18 40 * @addtogroup dmamux_hal
mbed_official 146:f64d43ff0c18 41 * @{
mbed_official 146:f64d43ff0c18 42 */
mbed_official 146:f64d43ff0c18 43
mbed_official 146:f64d43ff0c18 44 /*******************************************************************************
mbed_official 146:f64d43ff0c18 45 * Definitions
mbed_official 146:f64d43ff0c18 46 ******************************************************************************/
mbed_official 146:f64d43ff0c18 47 /*!
mbed_official 146:f64d43ff0c18 48 * @brief A constant for the length of the DMA hardware source. This structure is used inside
mbed_official 146:f64d43ff0c18 49 * the DMA driver.
mbed_official 146:f64d43ff0c18 50 */
mbed_official 146:f64d43ff0c18 51 typedef enum _dmamux_source {
mbed_official 146:f64d43ff0c18 52 kDmamuxDmaRequestSource = 64U /*!< Maximum number of the DMA requests allowed for the DMA mux. */
mbed_official 146:f64d43ff0c18 53 } dmamux_dma_request_source;
mbed_official 146:f64d43ff0c18 54
mbed_official 146:f64d43ff0c18 55 /*******************************************************************************
mbed_official 146:f64d43ff0c18 56 * API
mbed_official 146:f64d43ff0c18 57 ******************************************************************************/
mbed_official 146:f64d43ff0c18 58
mbed_official 146:f64d43ff0c18 59 #if defined(__cplusplus)
mbed_official 146:f64d43ff0c18 60 extern "C" {
mbed_official 146:f64d43ff0c18 61 #endif
mbed_official 146:f64d43ff0c18 62
mbed_official 146:f64d43ff0c18 63 /*!
mbed_official 146:f64d43ff0c18 64 * @name DMAMUX HAL function
mbed_official 146:f64d43ff0c18 65 * @{
mbed_official 146:f64d43ff0c18 66 */
mbed_official 146:f64d43ff0c18 67
mbed_official 146:f64d43ff0c18 68 /*!
mbed_official 146:f64d43ff0c18 69 * @brief Initializes the DMAMUX module to the reset state.
mbed_official 146:f64d43ff0c18 70 *
mbed_official 146:f64d43ff0c18 71 * Initializes the DMAMUX module to the reset state.
mbed_official 146:f64d43ff0c18 72 *
mbed_official 146:f64d43ff0c18 73 * @param module DMAMUX module index
mbed_official 146:f64d43ff0c18 74 */
mbed_official 146:f64d43ff0c18 75 void dmamux_hal_init(uint8_t module);
mbed_official 146:f64d43ff0c18 76
mbed_official 146:f64d43ff0c18 77 /*!
mbed_official 146:f64d43ff0c18 78 * @brief Enables the DMAMUX channel.
mbed_official 146:f64d43ff0c18 79 *
mbed_official 146:f64d43ff0c18 80 * Enables the hardware request. If enabled, the hardware request is sent to
mbed_official 146:f64d43ff0c18 81 * the corresponding DMA channel.
mbed_official 146:f64d43ff0c18 82 *
mbed_official 146:f64d43ff0c18 83 * @param module DMAMUX module.
mbed_official 146:f64d43ff0c18 84 * @param channel DMAMUX channel.
mbed_official 146:f64d43ff0c18 85 */
mbed_official 146:f64d43ff0c18 86 static inline void dmamux_hal_enable_channel(uint8_t module, uint8_t channel)
mbed_official 146:f64d43ff0c18 87 {
mbed_official 146:f64d43ff0c18 88 assert(module < HW_DMAMUX_INSTANCE_COUNT);
mbed_official 146:f64d43ff0c18 89 assert(channel < FSL_FEATURE_DMAMUX_MODULE_CHANNEL);
mbed_official 146:f64d43ff0c18 90 BW_DMAMUX_CHCFGn_ENBL(module, channel, 1U);
mbed_official 146:f64d43ff0c18 91 }
mbed_official 146:f64d43ff0c18 92
mbed_official 146:f64d43ff0c18 93 /*!
mbed_official 146:f64d43ff0c18 94 * @brief Disables the DMAMUX channel.
mbed_official 146:f64d43ff0c18 95 *
mbed_official 146:f64d43ff0c18 96 * Disable hardware request. If disabled, the hardware request is not sent to
mbed_official 146:f64d43ff0c18 97 * the corresponding DMA channel.
mbed_official 146:f64d43ff0c18 98 *
mbed_official 146:f64d43ff0c18 99 * @param module DMAMUX module.
mbed_official 146:f64d43ff0c18 100 * @param channel DMAMUX channel.
mbed_official 146:f64d43ff0c18 101 */
mbed_official 146:f64d43ff0c18 102 static inline void dmamux_hal_disable_channel(uint8_t module, uint8_t channel)
mbed_official 146:f64d43ff0c18 103 {
mbed_official 146:f64d43ff0c18 104 assert(module < HW_DMAMUX_INSTANCE_COUNT);
mbed_official 146:f64d43ff0c18 105 assert(channel < FSL_FEATURE_DMAMUX_MODULE_CHANNEL);
mbed_official 146:f64d43ff0c18 106 BW_DMAMUX_CHCFGn_ENBL(module, channel, 0U);
mbed_official 146:f64d43ff0c18 107 }
mbed_official 146:f64d43ff0c18 108
mbed_official 146:f64d43ff0c18 109 /*!
mbed_official 146:f64d43ff0c18 110 * @brief Enables the period trigger.
mbed_official 146:f64d43ff0c18 111 *
mbed_official 146:f64d43ff0c18 112 * @param module DMAMUX module.
mbed_official 146:f64d43ff0c18 113 * @param channel DMAMUX channel.
mbed_official 146:f64d43ff0c18 114 */
mbed_official 146:f64d43ff0c18 115 static inline void dmamux_hal_enable_period_trigger(uint8_t module, uint8_t channel)
mbed_official 146:f64d43ff0c18 116 {
mbed_official 146:f64d43ff0c18 117 assert(module < HW_DMAMUX_INSTANCE_COUNT);
mbed_official 146:f64d43ff0c18 118 assert(channel < FSL_FEATURE_DMAMUX_MODULE_CHANNEL);
mbed_official 146:f64d43ff0c18 119 BW_DMAMUX_CHCFGn_TRIG(module, channel, 1U);
mbed_official 146:f64d43ff0c18 120 }
mbed_official 146:f64d43ff0c18 121
mbed_official 146:f64d43ff0c18 122 /*!
mbed_official 146:f64d43ff0c18 123 * @brief Disables the period trigger.
mbed_official 146:f64d43ff0c18 124 *
mbed_official 146:f64d43ff0c18 125 * @param module DMAMUX module.
mbed_official 146:f64d43ff0c18 126 * @param channel DMAMUX channel.
mbed_official 146:f64d43ff0c18 127 */
mbed_official 146:f64d43ff0c18 128 static inline void dmamux_hal_disable_period_trigger(uint8_t module, uint8_t channel)
mbed_official 146:f64d43ff0c18 129 {
mbed_official 146:f64d43ff0c18 130 assert(module < HW_DMAMUX_INSTANCE_COUNT);
mbed_official 146:f64d43ff0c18 131 assert(channel < FSL_FEATURE_DMAMUX_MODULE_CHANNEL);
mbed_official 146:f64d43ff0c18 132 BW_DMAMUX_CHCFGn_TRIG(module, channel, 0U);
mbed_official 146:f64d43ff0c18 133 }
mbed_official 146:f64d43ff0c18 134
mbed_official 146:f64d43ff0c18 135 /*!
mbed_official 146:f64d43ff0c18 136 * @brief Configures the DMA request for the DMAMUX channel.
mbed_official 146:f64d43ff0c18 137 *
mbed_official 146:f64d43ff0c18 138 * Sets the trigger source for the DMA channel. The trigger source is in the file
mbed_official 146:f64d43ff0c18 139 * fsl_dma_request.h.
mbed_official 146:f64d43ff0c18 140 *
mbed_official 146:f64d43ff0c18 141 * @param module DMAMUX module.
mbed_official 146:f64d43ff0c18 142 * @param channel DMAMUX channel.
mbed_official 146:f64d43ff0c18 143 * @param source DMA request source.
mbed_official 146:f64d43ff0c18 144 */
mbed_official 146:f64d43ff0c18 145 static inline void dmamux_hal_set_trigger_source(uint8_t module, uint8_t channel, uint8_t source)
mbed_official 146:f64d43ff0c18 146 {
mbed_official 146:f64d43ff0c18 147 assert(module < HW_DMAMUX_INSTANCE_COUNT);
mbed_official 146:f64d43ff0c18 148 assert(channel < FSL_FEATURE_DMAMUX_MODULE_CHANNEL);
mbed_official 146:f64d43ff0c18 149 BW_DMAMUX_CHCFGn_SOURCE(module, channel, source);
mbed_official 146:f64d43ff0c18 150 }
mbed_official 146:f64d43ff0c18 151
mbed_official 146:f64d43ff0c18 152 /* @} */
mbed_official 146:f64d43ff0c18 153
mbed_official 146:f64d43ff0c18 154 #if defined(__cplusplus)
mbed_official 146:f64d43ff0c18 155 }
mbed_official 146:f64d43ff0c18 156 #endif
mbed_official 146:f64d43ff0c18 157
mbed_official 146:f64d43ff0c18 158 /*! @} */
mbed_official 146:f64d43ff0c18 159
mbed_official 146:f64d43ff0c18 160 #endif /* __FSL_DMAMUX_HAL_H__ */
mbed_official 146:f64d43ff0c18 161 /*******************************************************************************
mbed_official 146:f64d43ff0c18 162 * EOF
mbed_official 146:f64d43ff0c18 163 ******************************************************************************/
mbed_official 146:f64d43ff0c18 164